US9340401B2 - Heavy object cassette transferring apparatus and a transferring method thereof - Google Patents

Heavy object cassette transferring apparatus and a transferring method thereof Download PDF

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Publication number
US9340401B2
US9340401B2 US13/519,677 US201013519677A US9340401B2 US 9340401 B2 US9340401 B2 US 9340401B2 US 201013519677 A US201013519677 A US 201013519677A US 9340401 B2 US9340401 B2 US 9340401B2
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United States
Prior art keywords
heavy object
support rods
object cassette
transferring apparatus
cassette
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US13/519,677
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English (en)
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US20120263564A1 (en
Inventor
Yukio Takeuchi
Satoru Nooka
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Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Assigned to MITSUBISHI HEAVY INDUSTRIES, LTD. reassignment MITSUBISHI HEAVY INDUSTRIES, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NOOKA, SATORU, TAKEUCHI, YUKIO
Publication of US20120263564A1 publication Critical patent/US20120263564A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/18—Load gripping or retaining means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/18—Load gripping or retaining means
    • B66F9/185—Load gripping or retaining means by internally expanding grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks

Definitions

  • the present invention relates to an apparatus and a device for transferring a heavy object cassette formed by winding a belt-shaped material around a drum-shaped member, in which a plurality of support rods are, respectively, inserted in a plurality of holes formed in the heavy object cassette so as to hold the heavy object cassette via the support rods.
  • FIG. 6A shows one example of a heavy object cassette transferring device in relation to the related art, where a heavy object weighing approximately 100 kg is unloaded from a table after winding a belt-shaped material around a drum-shaped member and then moved onto a transferring cart.
  • FIG. 6A shows an arm 052 fixed to an end of a support 051 installed upright on the ground 101 , and a wire winch 055 , 054 , 056 provided at an end of the arm 052 via a hinge mechanism 053 .
  • a slide mechanism is connected to a lower part 056 of the wire winch.
  • a carrying unit 060 is installed movable in a horizontal direction.
  • the slide mechanism 057 has a leg 057 a which is movable horizontally (in a range indicated with S). When the heavy object cassette 060 is picked up, the leg 057 a moves leftward in the drawing to return to its original position so as to keep balance.
  • Patent Literature 1 JP5-106127A disclosed is an apparatus for automatically mounting a cake in which a cake mount supporting a winded cake having a yarn winded around is positioned in advanced at a prescribed position of a corresponding twisting machine and by controlling a robot body by the apparatus, the winded cake supported on the cake mount is removed and mounted automatically on a creel successively.
  • the wire winch 055 , 054 , 056 is provided at the end of the arm 052 and by hoisting and lowering the wire winch, the carrying unit 060 , three support rods 058 , 058 , 059 and the heavy object cassette 060 are integrally hoisted and lowered.
  • the lifting and lowering the heavy object cassette 060 is slow and inefficient.
  • the support 051 is installed on the ground 101 and the transferring apparatus for the heavy object is fixed on the ground. Thus, it is extremely difficult to change the layout and the range of movement is small.
  • the operation of the apparatus requires many adjustments such as balancing the heavy object cassette 060 horizontally and adjusting the movable range S of the slide mechanism 057 and it takes time to get used to the operation, resulting in poor operation efficiency.
  • Patent Literature 1 JP5-106127A
  • This literature merely discloses how to position the cake mount supporting the winded cake at the prescribed position of the corresponding twisting machine.
  • the present invention provides a transferring apparatus for a heavy object cassette, which may include, but is not limited to:
  • a common plate member to which a plurality of support rods are attached on a support side of the support rods, the plurality of support rods being inserted in a plurality of holes formed in the heavy object cassette;
  • a play mechanism which allows adjustment of a relative position between the plurality of holes and the plurality of support rods by adjusting a position of the common plate member
  • a lifting and lowering device which lifts and lowers the common plate member to which the support rods are attached and the play mechanism
  • a slide mechanism which supports the base unit movable forward and backward relative to a main body of the transferring apparatus.
  • the position of the common plate member can be adjusted by the play mechanism, hence eliminating the need for fine-adjustment of the positions of the support rods and the holes. This makes it easy to insert the support rods in the holes.
  • the support rods are attached to the common plate member on the support side of the support rods and the common plate member is supported by the play mechanism with entire motion freedom in the rotation direction and the up-down and left-right directions.
  • the position relationship of the support rods is fixed to match the holes and the fine-adjustment between the support rods and the holes is performed by the play mechanism of the plate member. This makes it easy to insert the support rods in the holes. If the support rods are individually adjustable, it takes extra process for performing the fine-adjustment between the support rods and the holes, resulting in complicating the operation.
  • inserting the support rods in the heavy object cassette is easier and the operation speed of the transferring apparatus for the heavy object cassette is improved, thereby improving the efficiency of the process.
  • the lifting and lowering device is provided to lift and lower the common plate member to which the support rods are attached and the play mechanism, and the base unit is supported by the slide mechanism movable forward and backward relative to the main body of the transferring apparatus.
  • At least one of the support rods may penetrate the common plate member and may be an eccentric support rod formed with a certain amount of eccentricity with respect to the common plate member, and
  • the transferring apparatus may further include:
  • a cassette immobilizing mechanism which immobilizes the heavy object cassette by rotating an eccentric part of the eccentric support rod to move the eccentric support rod in a radial direction and changing a relative position between the eccentric support rod and other support rods.
  • the weight of the heavy object cassette can be supported by the rigid plate member by inserting the support rods in the holes formed horizontally in the heavy object cassette and the heavy object cassette can be picked and immobilized by the support rods so as to prevent the heavy object cassette from falling out of the support rods.
  • the weight of the heavy object cassette is supported by the plurality of support rods fixed horizontally to the common plate member the weight of the heavy object cassette can be mechanically supported directly by the support rods so as to be movable in the horizontal direction without using the wire winch of the related art.
  • the heavy object cassette which is substantially heavy can be supported easily and highly efficiently and without using the hydraulic pressure, there is no issue such as oil leaks.
  • one support rod disposed in the lowest position among the support rods may penetrate the common plate member and may be an eccentric support rod formed with a certain amount of eccentricity with respect to the common plate member.
  • the lowest support rod disposed in the lowest position among the support rods penetrates the common plate member and is the eccentric support rod formed with a certain amount of eccentricity with respect to the common plate member.
  • Other support rods disposed above the eccentric support rod are used to lift the heavy object cassette and no support load is acting on the lowest support rod disposed in the lowest position and thus, the lowest support rod can be turned with small turning force compared to the other support rods disposed above the lowest support rod. Therefore, by simply turning the eccentric support rod which is the lowest support rod, the position of the eccentric support rod can be change in the radial direction. By this, a relative distance of the support rods changes relative to a relative distance of the holes formed in the heavy object cassette. Further, the heavy object cassette can be easily immobilized by grabbing the cassette by the support rods or holding the cassette firmly by the support rods in the case of expanding the relative distance of the support rods.
  • the support rods are, for instance, three support rods arranged circumferentially and one of the support rods is the eccentric support rod disposed at the lowest position among three support rods. In this manner, it is most practical to constitute the eccentric support rod of the support rod disposed at the lowest position among three support rods, as this requires fewer support rods and the cassette immobilizing mechanism is reliable and thus, this combination is most practical.
  • the above transferring apparatus for the heavy object cassette may further include:
  • a locking mechanism which activates a brake on the main body of the transferring apparatus when a gate-type support is moved from a center part of the main body of the transferring apparatus by the slide mechanism.
  • the locking mechanism may be activated when the lifting and lowering device lifts the gate-type support to a certain height or higher.
  • the main body of the transferring apparatus can be moved when the lifting and lowering device is at the central part of the main boy and at the certain height or lower.
  • the main body of the transferring apparatus can be moved only in such a state that the balance is steady, thereby achieving the steady transferring while preventing it from falling.
  • the present invention also provides a method for transferring a heavy object cassette using a heavy-object-cassette transferring apparatus which transfers the heavy object cassette by rolling motion of a wheel while maintaining the heavy object cassette via a plurality of support rods inserted in a plurality of holes formed in the heavy object cassette, the method including, but not limited to, the steps of:
  • the sequence of the inserting the support rods in the holes, adjusting the plate member in the inserting step, immobilizing the cassette after inserting and moving the heavy object cassette can be continuously performed by combining the following steps:
  • the heavy object cassette can be moved positively and efficiently.
  • one of the support rods which penetrates the common plate member and which is an eccentric support rod formed with a certain amount of eccentricity may be rotated so that the eccentric support rod is moved in a radial direction of the eccentric support rod to displace the relative position between the eccentric support rod and other support rods.
  • the eccentric support rod is moved in the radial direction of the eccentric support rod, thereby displacing the relative position between the eccentric support rod and other support rods. Therefore, the heavy object cassette can be picked up by the support rods and be easily immobilized.
  • a brake may be applied to a main body of the transferring apparatus when the support rods are inserted in the holes of the heavy object cassette using the slide mechanism or when the heavy object cassette is removed from a placement table for the heavy object cassette using the slide mechanism.
  • the main body of the transferring apparatus can be locked by the locking mechanism and thus, the insertion of the support rods in the holes of the heavy object cassette and also the lowering of the heavy object cassette from the placement table can be performed in a steady manner.
  • the above process can be performed positively and promptly.
  • the position relationship of the support rods fixed to the common plate member is matched in advance with the position relationship of the holes formed in the heavy object cassette, and by adjusting the position of the common plate in the rotation direction and the up-down and left-right directions by the play mechanism, an absolute position relationship between the support rods and the holes is fixed, while the fine adjustment between the support rods and the holes is performed by adjusting the position of the plate member.
  • the base unit having thereon the common plate member to which the support rods are fixed on the support side, the play mechanism for adjusting the position of the plate member, and the lifting and lowering device for lifting and lowering the plate member and the play mechanism, is supported by the slide mechanism so as to be movable frontward and rearward relative to the main body of the transferring apparatus.
  • the weight of the heavy object cassette can be mechanically supported directly by the support rods so as to be movable in the horizontal direction without using the wire winch of the related art.
  • the heavy object cassette which is substantially heavy can be supported easily and highly efficiently and without using the hydraulic pressure, there is no issue such as oil leaks.
  • FIG. 1 is a schematic side view of a transferring apparatus for a heavy object cassette in an embodiment of the present invention.
  • FIG. 2 is an oblique view of the embodiment taken from a direction of an arrow U of FIG. 1 .
  • FIG. 3A shows a functional diagram of a play mechanism of FIG. 1 .
  • FIG. 3B is an enlarged view of a section Z of FIG. 3A .
  • FIG. 4 is a view taken along a line A-A of FIG. 3A .
  • FIG. 5 shows a functional diagram of a locking mechanism of FIG. 1 .
  • FIG. 6A is a schematic side view of a transferring apparatus for a heavy object cassette in relation to related art.
  • FIG. 6B is an enlarged view of a carrying unit section of FIG. 6A .
  • FIG. 1 is a schematic side view of a transferring apparatus for a heavy object cassette in an embodiment of the present invention.
  • FIG. 2 is an oblique view of the embodiment taken from a direction of an arrow U of FIG. 1 .
  • the transferring apparatus for the heavy object cassette 100 is configured as described below.
  • the heavy object cassette 4 is a cassette containing one heavy object therein. After completing a winding process of winding a belt-shaped material (not shown) around a drum-like member, the heavy object cassette 4 is placed on a placement table of a winding device.
  • FIG. 1 shows the heavy object cassette 4 supported by the transferring apparatus 4 to remove the heavy object cassette 4 on the placement table from the placement table and then to place it on a transporting wagon.
  • a base unit 7 is provided with a gate-type support (main body) 1 which is formed into a gate shape and is installed on the base unit 7 .
  • the gate-type support 1 is provided with handles 3 on both sides of the gate-type support 1 for an operator 10 to hold onto.
  • a lifting and lowering device 5 equipped with a play mechanism 51 is installed on a front side of the gate-type support 1 .
  • the lifting and lowering device 5 is driven by an electric motor (not shown) and is movable up and down along a longitudinal part of the gate-type support 1 .
  • the lifting and lowering device 5 is arranged on the front part of the gate-type support 1 .
  • the front part of the gate-type support 1 is formed with such a width that the heavy object cassette 4 is fitted within and with such a space V that a placement table cart for the heavy object cassette 4 can enter the space V as shown in FIG. 2 .
  • the heavy object cassette 4 is a cassette containing one heavy object therein.
  • the heavy object cassette 4 is formed by winding a thin belt-like plate around a round drum-like member and weighs approximately 100 kg or more and, as shown in FIG. 2 , has six holes 6 a horizontally formed through the drum-like member.
  • the number of holes 4 a is not limited as long as there are more holes 4 a than support rods 6 a , 6 b , 6 c.
  • FIG. 3A shows a functional diagram of a play mechanism of FIG. 1 .
  • FIG. 3B is an enlarged view of a section Z of FIG. 3A .
  • the lifting and lowering device 5 has a rear lateral part 12 b which moves up and down along the gate-type support 1 and a front lateral part 12 a which is arranged next to the rear lateral part 12 b via a joint 13 s.
  • two support rods 6 a , 6 b and one eccentric support rod 6 c are attached to a common steel plate (a plate member) 15 at equal intervals in a circumferential direction as shown in FIG. 4 .
  • the support rods 6 a , 6 b , 6 c are insertable in six holes 4 a formed in the heavy object cassette 4 .
  • Those two support rods 6 a , 6 b are fixed to a front part of the steel plate 15 , i.e. a support side.
  • the eccentric support rod 6 c penetrates the steel plate 15 and extends rearward as shown in FIG. 3A and FIG. 3B .
  • Those three support rods 6 a , 6 b , 6 c penetrate a securing plate 11 arranged on a front side of the steel plate 15 so as to improve support stiffness.
  • the eccentric support rod 6 c is supported rotatably by the steel plate 15 and the securing plate 11 at a front end part (support points 15 a , 11 a ) and at a rear end part, penetrates the front lateral part 12 a and the rear lateral part 12 b (support points 1 a , 1 b ) and extends rearward.
  • a center 6 s of the eccentric support rod 6 c is eccentrically displaced with a certain amount of eccentricity “e” from a center 14 s .
  • a handle 15 s is provided to rotate the eccentric support rod 6 c .
  • the eccentric support rod 6 c is inserted through and supported rotatably by the steel plate 15 and also secured by a bush to prevent the eccentric support rod 6 c from moving in an axial direction. In this manner, the cassette immobilizing mechanism 50 is formed by the eccentric support rod 6 c and the handle 15 s for rotating the eccentric support rod 6 c.
  • the steel plate 15 is supported rotatably and swingably via a ball joint 13 arranged rollable between the steel plate 15 and the front lateral part 12 a .
  • the range of rotation and swing is restricted by the steel plate 15 contacting another member.
  • a universal joint mechanism 6 d is installed between the steel plate 15 and the front lateral part 12 a .
  • the play mechanism 51 is configured such that the steel plate 15 is supported and is movable in the rotation direction and the up-down and left-right directions with respect to the front lateral part 12 a.
  • a joint 13 s may be provided slidably in a front-back direction to absorb a displacement between the gate-type support 1 and the lifting and lowering device 5 in the front-back direction.
  • FIG. 5 shows a functional diagram of the locking mechanism 9 of FIG. 1 .
  • a rail 21 is arranged movable up and down in conjunction with the lifting and lowering device 5 moving up and down along the gate-type support 1 .
  • the rail 21 includes a parallel part A and an oblique part B.
  • a roller 22 is supported by the main body 71 of the transferring apparatus via a link mechanism and moves up and down along the rail 21 .
  • roller 22 When the roller 22 is at a point 22 a of the rail 21 , the roller 22 moves in a direction of an arrow T at the oblique part B, thereby causing a connecting link 23 , 24 , 25 to move downward. This causes the brake 26 to contact the ground 101 , thereby braking the main body 71 of the transferring apparatus.
  • the connecting link 23 , 24 , 25 is supported on the main body side 71 and the roller 22 is arranged approximately in the center of the main body 71 of the transferring apparatus in the longitudinal direction.
  • the roller 22 is at the parallel part A, thereby causing the connection link 23 , 24 , 25 to move upward, and releasing the brake 26 . This causes the main body 71 of the transferring apparatus movable using the wheels 6 .
  • the main body 71 of the transferring apparatus is moved via the wheels 6 .
  • the base unit 7 is manually moved by the operator 10 frontward in FIG. 1 via the slide mechanism 72 and the lifting and lowering device 5 is set at an appropriate position above using the electric motor.
  • the brake is applied to the main body 71 of the transferring apparatus using the locking mechanism 9 .
  • the support rods 6 a and 6 b and the eccentric support rod 6 c can be inserted in the corresponding three holes 4 a among the six holes 4 a formed horizontally in the heavy object cassette 4 .
  • the position relationship of the support rods 6 a , 6 b , 6 c fixed to the steel plate 15 is matched in advance with the position relationship of the holes 4 a formed in the heavy object cassette 4 , and by adjusting the position of the steel plate 15 in the rotation direction and the up-down and left-right directions by the play mechanism 51 , and further by moving the base unit 7 freely frontward and rearward via the slide mechanism 72 , the direction and the position of the support rod 6 a , 6 b and the eccentric support rod 6 c as a whole can be freely adjusted and thus, it is possible to finely adjust a space between the holes and the support rods and also to easily insert the support rods 6 a , 6 b , 6 c in the holes 4 a.
  • the eccentric support rod 6 c is supported rotatably by the rigid steel plate 15 at the support point 15 a and the rear end part is supported rotatably by the lateral parts 12 a , 12 b at the support points 1 a , 1 b .
  • the center 6 s of the eccentric support rod 6 c is eccentric with respect to the center 14 s of the support point with a certain amount of eccentricity “e” and thus, by turning the handle 15 s provided at the end of the eccentric support rod 6 c to change the direction of the eccentricity “e” as shown in FIG. 4 , i.e.
  • the two support rods 6 a , 6 b disposed above the eccentric support rod 6 c are used to lift the heavy object cassette 4 and no support load is acting on the lowest support rod disposed in the lowest position and thus, the lowest support rod can be turned with small turning force compared to the other support rods disposed above the lowest support rod. Therefore, by forming the eccentric support rod 6 c by the lowest support rod, the heavy object cassette can be immobilized by an easy operation.
  • the lifting and lowering device 5 including the play mechanism 51 and the base unit 7 having the gate-type support 1 installed thereon for supporting the lifting and lowering device 5 are manually movable by the operator 10 in the X direction of FIG. 1 with respect to the main body 71 of the transferring apparatus.
  • the overall length of the transferring apparatus for the heavy object cassette can be shorter, thereby reducing the transferring apparatus in size.
  • the gate-type support 1 is moved to an anterior end position via the slide mechanism 72 to grab and hold the heavy object cassette 4 and then, the base unit 7 is moved to the center part of the main body 71 of the transferring apparatus via the slide mechanism 72 to balance and thus, the main body 71 of the transferring apparatus can be moved via the wheels 6 with a steady balance. Therefore, the transferring apparatus can be moved in a steady and safe manner and the heavy object cassette 4 can be transferred in a steady manner with balance without increasing the overall length of the transferring apparatus 100 . By this, it is also possible to reduce the size of the transferring apparatus as well as its overall lengths.
  • one support rod 6 c connected to the steel plate 15 is an eccentric support rod and, the eccentric support rod 6 c is moved in the radial direction thereof by turning the eccentric support rod 6 c so as to displace the relative position between the eccentric support rod 6 c and other support rods 6 a .
  • the heavy object cassette 4 is firmly and easily immobilized with respect to the support rods 6 a , 6 c and the subsequent step of transferring the heavy object cassette 4 can be performed easily.
  • the brake is applied to the main body 71 of the transferring apparatus using the locking mechanism 9 .
  • the step of inserting the support rods in the holes of the heavy object cassette can be performed positively and promptly.
  • the transferring apparatus for the heavy object cassette as well as the transferring method for the heavy object cassette, which is entirely mechanically operable without using hydraulic pressure, by which it is easy to load and unload the heavy object cassette, and which operates at high speed.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
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  • Warehouses Or Storage Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)
US13/519,677 2010-02-25 2010-02-25 Heavy object cassette transferring apparatus and a transferring method thereof Expired - Fee Related US9340401B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/052993 WO2011104851A1 (fr) 2010-02-25 2010-02-25 Dispositif de transfert de cassettes à charge lourde et procédé de transfert associé

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US20120263564A1 US20120263564A1 (en) 2012-10-18
US9340401B2 true US9340401B2 (en) 2016-05-17

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US (1) US9340401B2 (fr)
EP (1) EP2500312B1 (fr)
JP (1) JP5575222B2 (fr)
WO (1) WO2011104851A1 (fr)

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US20170240194A1 (en) * 2016-02-22 2017-08-24 Rehrig Pacific Company Modular pallet jack
US20190193954A1 (en) * 2017-12-26 2019-06-27 Cynergy Ergonomics, Inc. Tire manipulator

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CN109132912B (zh) * 2018-08-16 2020-09-25 上海宝冶冶金工程有限公司 一种吊装装置
CN111547652A (zh) * 2020-05-11 2020-08-18 吴乘才 一种塑料桶自动提升装置
CN112551442B (zh) * 2020-12-15 2022-03-29 四川新世纪线缆有限公司 一种线缆转移装置

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EP2500312A4 (fr) 2013-07-24
US20120263564A1 (en) 2012-10-18
JPWO2011104851A1 (ja) 2013-06-17
EP2500312B1 (fr) 2014-07-30
JP5575222B2 (ja) 2014-08-20
EP2500312A1 (fr) 2012-09-19

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